Metamath Proof Explorer


Theorem resvmulrOLD

Description: Obsolete proof of resvmulr as of 31-Oct-2024. .s is unaffected by scalar restriction. (Contributed by Thierry Arnoux, 6-Sep-2018) (New usage is discouraged.) (Proof modification is discouraged.)

Ref Expression
Hypotheses resvbas.1
|- H = ( G |`v A )
resvmulr.2
|- .x. = ( .r ` G )
Assertion resvmulrOLD
|- ( A e. V -> .x. = ( .r ` H ) )

Proof

Step Hyp Ref Expression
1 resvbas.1
 |-  H = ( G |`v A )
2 resvmulr.2
 |-  .x. = ( .r ` G )
3 df-mulr
 |-  .r = Slot 3
4 3nn
 |-  3 e. NN
5 3re
 |-  3 e. RR
6 3lt5
 |-  3 < 5
7 5 6 ltneii
 |-  3 =/= 5
8 1 2 3 4 7 resvlemOLD
 |-  ( A e. V -> .x. = ( .r ` H ) )